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Achieving Load Balancing through Program Slicing 通过程序切片实现负载均衡
Pub Date : 2017-07-01 DOI: 10.9790/9622-0707011720
P. Tijare, P. Deshmukh
Implementing load balance in parallel program is very important. It may reduce running time and improve performance of program. This paper proposes a slicing algorithm in which we did not use any slicing criteria but we use slicing point. It is designed only for iterative programs as most of the programs or applications are developed for performing repetitive tasks. We found better results by achieving load balancing through program slicing.
在并行程序中实现负载均衡是非常重要的。它可以减少运行时间,提高程序的性能。本文提出了一种不使用任何切片准则而使用切片点的切片算法。它只针对迭代程序设计,因为大多数程序或应用程序都是为执行重复任务而开发的。我们发现通过程序切片实现负载平衡效果更好。
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引用次数: 0
Comprehensive Approach of Modeling and Simulation of Solar Photovoltaic Power Plant 太阳能光伏电站建模与仿真的综合方法
Pub Date : 2017-07-01 DOI: 10.9790/9622-0707030611
G. Gururaj, R. Anguraja, Dr.R. Prakash, Dr.H. Naganagouda
The growing energy demand in developing nations has triggered the issue of energy security. This hasmade essential to utilize the potential of renewable resources. Grid connected PV systemsis the best alternatives in renewable energy at large scale. Analysis of these gridconnected plants could help in designing, operating and maintenance of new grid connected systems.The objective of this paper is to model the design and simulation of grid connected 10MW solarphotovoltaicpower plant by using the specifications of equipment’s provided based on the availability of the component in Shivanasamudram,Karnataka,India. The PV generation system behaves well in different conditions of solar radiance and temperature of PV panels, preserving its stability and succeeding in extracting the maximum power from the PV panels by MPPT technique.
发展中国家日益增长的能源需求引发了能源安全问题。这使得利用可再生资源的潜力变得至关重要。并网光伏系统是大规模可再生能源的最佳替代方案。对这些并网电厂的分析有助于新型并网系统的设计、运行和维护。本文的目的是通过使用基于印度卡纳塔克邦Shivanasamudram组件可用性的设备规格,对并网10MW太阳能光伏发电厂的设计和仿真进行建模。光伏发电系统在不同的太阳辐射强度和光伏板温度条件下均表现良好,保持了系统的稳定性,并通过MPPT技术成功地从光伏板中提取了最大功率。
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引用次数: 2
Wireless Body Area Networks 无线体域网络
Pub Date : 2017-07-01 DOI: 10.9790/9622-0706060610
I. Sravya
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引用次数: 1
Simulation and Analysis of Network Address Translation (NAT) & Port Address Translation (PAT) Techniques 网络地址转换(NAT)和端口地址转换(PAT)技术的仿真与分析
Pub Date : 2017-07-01 DOI: 10.9790/9622-0707025056
Anchit Bansal, Priyanka Goel.
Advancements in Internet lead to the shortage of available IPV4 addresses. The main long-term solution to the IP address scalability problem was to increase the size of the IP address. To subside this problem temporarily, a specific subset of IPV4 address was termed as private. The size of routing table can be managed using certain techniques. Instead of holding information about whole route, the routing table holds information which results in next hop in next hop routing technique. Using network specific routing technique searching process is simplified as only one entry in routing table is used which defines the address of complete network. In this paper we will stimulate the network address translation and port address translation routing technique.
互联网的发展导致可用IPV4地址的短缺。IP地址可伸缩性问题的主要长期解决方案是增加IP地址的大小。为了暂时解决这个问题,IPV4地址的一个特定子集被称为私有地址。路由表的大小可以通过一定的技术进行管理。在下一跳路由技术中,路由表不是保存整个路由的信息,而是保存导致下一跳的信息。采用网络专用路由技术,简化了搜索过程,只需使用路由表中的一个表项来定义整个网络的地址。本文将对网络地址转换和端口地址转换路由技术进行研究。
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引用次数: 8
An Improved Low Power Counter Design with Clock Enable 一种改进的时钟使能低功耗计数器设计
Pub Date : 2017-07-01 DOI: 10.9790/9622-0706065961
Varsha Dewre, Rakesh Mandliya
This paper presents an improved low power design of a 4-bit Johnson Counter which is designed using and Clock enable method. The proposed design shows a power reduction of 5mW as compared to the conventional Johnson counter which is 7mW. Pulse triggered flip flop employed in the proposed design can save power up to 28.57% as compared to the conventional design. All the simulations were carried out using Xilinx software in SIM module.
本文提出了一种采用时钟使能方法设计的4位约翰逊计数器的改进低功耗设计。与传统的约翰逊计数器7mW相比,拟议的设计显示了5mW的功率减少。与传统设计相比,采用脉冲触发触发器的设计可节省高达28.57%的功耗。所有仿真均在SIM模块中使用赛灵思软件进行。
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引用次数: 0
Comparative Study between Various PAPR Reduction Technique 各种PAPR还原技术的比较研究
Pub Date : 2017-07-01 DOI: 10.9790/9622-0706062532
Sahil Malik, Ruchi Sharma
This paper presents the comparative study between various PAPR reduction technique such as partial transmit sequence, DFT spreading, Clipping and filtering. The peak to average power ratio of the time domain envelope is an important parameter at the physical layer of the communication system using OFDM signaling. The signals must maintain a specified average energy level in the channel to obtain the desired Bit-errorrate. The peak signal level relative to that average defines the maximum dynamic range that must be accommodated by the components in the signal flow path to support the desired average. High Peak to Average Power Ratio (PAPR) for OFDM system is still a demanding area and difficult issue. The radio transmitter stations for covering and getting enough transmitted power in their desired area has to use High Power Amplifier (HPA). If the high power amplifier doesn’t work in linear region, it can cause the out-of-band power to be kept under the specified limits. This condition can cause inefficient amplification and expensive transmitters, thus it is necessary to investigate PAPR reduction techniques for OFDM system. Some of the performance measures like Complementary Commutative Distribution Function of PAPR and BER are analyzed through simulation to demonstrate the efficacy of the various scheme.
本文对部分发射序列、DFT扩频、裁剪和滤波等各种PAPR降低技术进行了比较研究。时域包络的峰均功率比是OFDM通信系统物理层的一个重要参数。信号必须在信道中保持指定的平均能级以获得所需的误码率。相对于该平均值的峰值信号电平定义了信号流路径中的组件必须容纳的最大动态范围,以支持所需的平均值。OFDM系统的高峰值平均功率比(PAPR)仍然是一个要求很高的领域和难题。无线电发射台为了在所需的区域内覆盖和获得足够的发射功率,必须使用高功率放大器(HPA)。如果高功率放大器不在线性区域工作,则可以使带外功率保持在规定的范围内。这种情况会导致放大效率低下和发射机价格昂贵,因此有必要对OFDM系统的PAPR降低技术进行研究。通过仿真分析了PAPR和BER的互补交换分布函数等性能指标,验证了各种方案的有效性。
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引用次数: 0
Evaluation of the Sensitivity of Seismic Inversion Algorithms to Different Statistically Estimated Wavelets 地震反演算法对不同统计估计小波的敏感性评价
Pub Date : 2017-07-01 DOI: 10.9790/9622-0611055973
V. M. Gomes, M. A. C. Santos, R. Burgos, D. Filho
Seismic wavelet estimation is an important step in processing and analysis of seismic data. Inversion methods as Narrow-Band and theConstrained Sparse-Spike ones require information about it so that the inversion solution, once it is not a unique problem, may be restricted by comparing the real seismic trace with the synthetic generated by convolution of the estimated reflectivity and wavelet. Besides helping in seismic inversion, a good estimate of the wavelet enables an inverse filter with less uncertainty to be computed in the deconvolution step and while tying well logs, a better correlation between the seismic trace and well log can be achieved. Depending on the use or not of well log information, the methods of wavelet estimation can be divided into two classes: statistical and deterministic. This work aimed to test the sensitivity of acoustic post-stack seismic inversion algorithms to wavelets statistically estimated by two distinct methods. Keywords-Narrow-band, Seismic Inversion, Seismic Wavelet Estimation, CSSI
地震小波估计是地震资料处理和分析的重要步骤。窄带反演方法和约束稀疏尖峰反演方法都需要有关它的信息,因此,一旦不是唯一问题,反演结果就会受到实际地震迹线与估计反射率和小波卷积合成的地震迹线比较的限制。除了有助于地震反演之外,良好的小波估计可以在反褶积步骤中计算不确定性较小的反滤波器,并且在进行测井时,可以实现地震迹线与测井曲线之间更好的相关性。根据是否使用测井信息的不同,小波估计方法可分为统计估计和确定性估计两类。这项工作旨在测试声波叠后地震反演算法对两种不同方法统计估计的小波的灵敏度。关键词:窄带,地震反演,地震小波估计,CSSI
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引用次数: 0
Stability improvement of an ATV by modifying Suspension Parameters 通过修改悬架参数提高ATV的稳定性
Pub Date : 2017-07-01 DOI: 10.9790/9622-0706060105
P. BharathiMohanM, M. Arjungopal, S. Manoj, S. Neelakrishnan
Suspension design of an ATV is presented. At present, the vehicle is equipped with Parallel Short Long Arm at front and 3 Link Trailing Arm at the rear. As present vehicle’s stability is low, modifications are made to the design. The stability of an ATV majorly depends on the Suspension system. By modifying the rear suspension design and also by reducing the un-sprung mass, stability is greatly improved. The modifications are done by considering other dynamic parameters. The main objective was to make the vehicle controllably oversteer. Rear H-Arm with single camber link is selected as it has minimal members and the geometry reduces the rear roll center position which greatly improves stability. Keywords–Baja suspension system, H-Arm, independent suspension, parallel short long arm.
介绍了某型全地形车的悬架设计。目前,该车在前部装备平行短长臂,在后部装备三连杆后臂。针对目前车辆稳定性较低的问题,对设计进行了改进。全地形车的稳定性主要取决于悬挂系统。通过修改后悬架设计,也通过减少非簧载质量,稳定性大大提高。通过考虑其他动态参数进行修正。主要目标是使车辆可控的过度转向。选择单弧度连杆的后h臂,因为它的成员最少,而且几何形状减小了后横摇中心位置,大大提高了稳定性。关键词:baja悬架系统,h臂,独立悬架,平行短长臂。
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引用次数: 1
Experimental Analysis of Concrete with Quarry Dust and Demolished Concrete Waste 采石场粉尘与废弃混凝土混合混凝土试验分析
Pub Date : 2017-07-01 DOI: 10.9790/9622-0707043944
N. Devendran, D.Mohan Kumar
The use of Recycle product is increasing with innovation in present scenario. The utilization of waste product in the manufacturing of new product is a challenging job. The Natural Resource decreases in a short period and therefore the use of waste product is necessary. In the construction field of the world, use of Demolished Concrete Waste as alternative of coarse aggregate plays a vital role to save natural resources and economically good for us. Natural sand is a prime material used for the preparation of concrete and also plays an important role in Mix Design. One such material is Quarry stone dust: a by-product obtained during quarrying process. Attempts have been made to study the suitability of Quarry Dust as sand replacing material and it has been found that Quarry Dust improves the mechanical properties of concrete as well as elastic modulus. This present work is an attempt to use Quarry Dust as partial replacement for fine aggregate in concrete and Demolished Concrete Waste as partial replacement for coarse aggregate in concrete. The main object of this project is to determine the Compressive strength, Split tensile strength, Flexural strength. Various mixes were prepared for carrying out the research by varying the proportions of cement, sand and aggregates. All mixes were designed for characteristic strength (fck) of M20. The Compressive strength, Split tensile strength, Flexural strength of concrete was tested in laboratory after 7, 14 and 28 days.
在目前的情况下,随着创新,回收产品的使用越来越多。在新产品的制造中利用废旧产品是一项具有挑战性的工作。自然资源在短时间内减少,因此使用废物是必要的。在世界建筑领域,利用废旧混凝土作为粗骨料的替代品,对节约自然资源和经济效益有着至关重要的作用。天然砂是配制混凝土的主要材料,在配合比设计中也起着重要作用。其中一种材料是采石场石粉:采石过程中获得的副产品。对采石场粉尘作为替代砂石材料的适用性进行了研究,发现采石场粉尘可以改善混凝土的力学性能和弹性模量。目前的工作是尝试使用采石场粉尘作为混凝土中细骨料的部分替代品,拆除的混凝土废物作为混凝土中粗骨料的部分替代品。本工程的主要目的是测定其抗压强度、劈裂抗拉强度、弯曲强度。通过改变水泥、沙子和骨料的比例,制备了各种混合料来进行研究。所有混合料均按M20的特征强度(fck)设计。在室内测试了7、14、28天后混凝土的抗压强度、劈裂抗拉强度、抗弯强度。
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引用次数: 0
On the Mn-In-Ni Diatoms: Electronic Properties Depending on Spin Multiplicity Mn-In-Ni硅藻:电子性质与自旋多重性的关系
Pub Date : 2017-07-01 DOI: 10.9790/9622-0707063043
A. Kiraz, Halit Kan, N. Kolsuz, S. Erkoç
In this study, Ni, Mn and In atoms formed by different combinations of diatoms due to the spin multiplicity of electronic structure characteristics have been investigated. Calculations have been performed by Density Functional Theory within B3LYP functional and CEP-121G basis set. Diatoms with the first five spin multiplicity configurations have been investigated and the most stable state has been determined. The energetics, such as binding energy, frontier molecular orbital energies of six possible diatoms have been calculated in their ground state with their lowest five spin multiplicities.
本文研究了硅藻不同组合形成的Ni、Mn和In原子由于电子结构特征的自旋多重性。利用密度泛函理论在B3LYP泛函和CEP-121G基集内进行了计算。对具有前五种自旋多重构型的硅藻进行了研究,并确定了最稳定的状态。本文计算了六种可能硅藻在最低五个自旋多重度的基态下的结合能、前沿分子轨道能等能量。
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引用次数: 0
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International Journal of Engineering Research and Applications
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